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Heavy rain and isolated severe thunderstorms may cause flash flooding in the northern Mid-Atlantic today. The Mid-Atlantic and Southeast heatwave is slowly easing, while cooler, drier air spreads across the Central and Eastern U.S. for the start of August. Critical fire conditions persist in the Pacific Northwest and Four Corners due to dry storms and gusty winds. Read More >

Jefferson Parish Tornado
December 25, 2012

Rating:	EF-0
Estimated Maximum Wind:	85 mph
Injuries/Fatalities:	None
Damage Path Length:	0.8 miles
Maximum Path Width:	30 yards
Approximate Start Point/Time:	1.9 miles S of Marrero, LA at 6:20 PM CST
Approximate End Point/Time:	1.6 miles SSE of Marrero, LA at 6:21 PM CST

A National Weather Service Damage Assessment Team has surveyed the storm damage in Jefferson Parish. It has been determined the damage was the result of a tornado. The tornado has been rated an EF-0 on the Enhanced Fujita Scale. Damage estimates were consistent with maximum winds of 85 mph.

From the Local Storm Report:

A WEAK SHORT LIVED EF-0 TORNADO INITIALLY TOUCHED DOWN IN THE OAK KNOLL SUBDIVISION IN MARRERO CAUSING MOSTLY MINOR DAMAGE. THE DAMAGE WAS MAINLY TO SHINGLES AND TREES WITH A FEW METAL CARPORTS DAMAGED OR DESTROYED. THE BEGINNING POINT OF THE DAMAGE LOOKED TO BE AROUND THE CORNER OF GLENWOOD DRIVE AND DUELING OAKS AVENUE. THE MAXIMUM WIND RATING OF 85 MPH WAS DETERMINED BASED ON A VERY LARGE HARDWOOD TREE WHICH WAS COMPLETELY UPROOTED IN THE BACKYARD OF A HOME ON KAREN DRIVE. THE TORNADO MOVED NORTHEASTWARD ACROSS THE INTERSECTION OF LAPALCO BLVD AND BARATARIA BLVD WHERE IT CAUSED AN AUTOMOBILE ACCIDENT AND BLEW OUT SEVERAL SIGNS FROM BUSINESSES IN THE AREA. THE DAMAGE PATH ENDED ACROSS LAPALCO BLVD NEAR A LARGE HOME IMPROVEMENT STORE WHERE DAMAGE TO LOOSE OBJECTS WAS NOTED ALONG WITH A LARGE ROLL UP DOOR TO THE STORE BEING BLOWN OUT.

Base Reflectivity (Close View)	Base Velocity
Storm Relative Velocity	Base Reflectivity (Wide View)

Carport torn up and thrown into nearby tree	Damage to shed at hardware store
Siding ripped off side of home	Large tree uprooted from wind

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